Home / 519,175,525.70-716,347,690.85-307,377,190.55

Finding the Fourth Proportional to 519,175,525.70, 716,347,690.85 and 307,377,190.55

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Solution

The fourth proportional to 519,175,525.70, 716,347,690.85 and 307,377,190.55 is: 424,112,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,175,525.70 : 716,347,690.85 = 307,377,190.55 : x
  2. Step 2: Convert to fraction form
    519,175,525.70/716,347,690.85 = 307,377,190.55/x
  3. Step 3: Cross multiply
    519,175,525.70x = 716,347,690.85 × 307,377,190.55
  4. Step 4: Simplify right side
    519,175,525.70x = 220,188,940,665,334,336
  5. Step 5: Solve for x
    x = 220,188,940,665,334,336/519,175,525.70
  6. Step 6: Final answer
    x = 424,112,712.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.